EIB3887530 / 3887.530 - Application Notes 2002-2006 Avalanche, Z66, V8, 2WD/4WD 2000-2006 Tahoe, V8, 2WD/4WD 2002-2006 Escalade, 2WD/4WD, V8, Incl EXT 2000-2006 Suburban 1500, V8, 2WD/4WD 2000-2006 Yukon XL (Inc Denali), V8, 2WD/4WD 2000-2006 Yukon (Inc Denali), V8, 2WD/4WD, Exc. QuadraSteer (Front 3.0 in - Rear 3.0 in)